Whilst 'hard iron' is elemental iron, the iron in your blood is in the form of haemoglobin. This is a complex molecule which includes iron.
Yes
Iron is an element in itself.
Iron
Yes iron is hard because there are two conditions(1) Iron element is soft in pure state(2) Iron element is hard in impure state.When we heat up iron elements and chemically combined them they take...
Iron is an element. It is not a compound.
Iron Man 2: The Video Game - Launch Trailer
Iron Man 2: The Video Game - Soundtrack Trailer
Iron Man 2: The Video Game - Behind The Scenes
Iron Man 2: The Video Game - Enemies Trailer